Q: Is 18,454,740 a Composite Number?

Why is 18,454,740 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 18,454,740 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 23 30 43 46 60 69 86 92 115 129 138 172 215 230 258 276 311 345 430 460 516 622 645 690 860 933 989 1,244 1,290 1,380 1,555 1,866 1,978 2,580 2,967 3,110 3,732 3,956 4,665 4,945 5,934 6,220 7,153 9,330 9,890 11,868 13,373 14,306 14,835 18,660 19,780 21,459 26,746 28,612 29,670 35,765 40,119 42,918 53,492 59,340 66,865 71,530 80,238 85,836 107,295 133,730 143,060 160,476 200,595 214,590 267,460 307,579 401,190 429,180 615,158 802,380 922,737 1,230,316 1,537,895 1,845,474 3,075,790 3,690,948 4,613,685 6,151,580 9,227,370 and 18,454,740, with no remainder.

Since 18,454,740 cannot be divided by just 1 and 18,454,740, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).